At the time of the 2006 National Census, Hesami's population was 2,348 in 569 households, when it was a village in Sarchehan Rural District of the former Sarchehan District of Bavanat County.[5] The following census in 2011 counted 2,826 people in 771 households,[6] by which time the village had been elevated to the status of a city.[7] The 2016 census measured the population of the city as 3,131 people in 1,000 households.[2]
After the census, the district was separated from the county in the establishment of Sarchehan County, and Hesami was transferred to the new Central District.[8] After formation of the county, its capital was transferred from Korehi to Hesami.[4]
^Hesami can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3066415" in the "Unique Feature Id" form, and clicking on "Search Database".